nginx error log 异常

error log中持续出现：
recv() failed (104: Connection reset by peer) while waiting for request, client: 100.109.105.0, server: 0.0.0.0:80

这个地址是可以通的，还有美国的：
traceroute 100.109.105.0
traceroute to 100.109.105.0 (100.109.105.0), 30 hops max, 60 byte packets
1 11.246.163.226 (11.246.163.226) 0.834 ms 11.246.163.34 (11.246.163.34) 0.793 ms 11.246.172.150 (11.246.172.150) 0.806 ms
2 11.246.173.54 (11.246.173.54) 0.796 ms 11.246.163.210 (11.246.163.210) 0.799 ms 11.246.172.130 (11.246.172.130) 0.933 ms
3 10.48.253.109 (10.48.253.109) 6.239 ms 10.48.250.233 (10.48.250.233) 6.836 ms 10.48.254.229 (10.48.254.229) 6.606 ms
4 100.109.105.0 (100.109.105.0) 0.240 ms 0.245 ms 0.242 ms

请指教log信息的来源，谢谢。